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Chapter 3  Selected PowerScript Topics </TITLE>
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<A NAME="TI175"></A><h1>Chapter 3  Selected PowerScript Topics </h1>
<A NAME="TI176"></A><h4>About this chapter</h4>
<A NAME="TI177"></A><p>This chapter describes how to use elements of the PowerScript
language in an application.</p>
<A NAME="TI178"></A><h4>Contents</h4>
<A NAME="TI179"></A><table cellspacing=0 cellpadding=6 border=1 frame="void" rules="all"><tr><th  rowspan="1"  ><A NAME="TI180"></A>Topic</th>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI181"></A><A HREF="apptechp14.htm#X-REF354898923">Dot notation </A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI182"></A><A HREF="apptechp15.htm#X-REF354898943">Constant declarations </A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI183"></A><A HREF="apptechp16.htm#X-REF354974741">Controlling access
for instance variables </A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI184"></A><A HREF="apptechp17.htm#X-REF354974752">Resolving naming conflicts </A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI185"></A><A HREF="apptechp18.htm#CAIDCHAE">Return values from ancestor
scripts</A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI186"></A><A HREF="apptechp19.htm#X-REF354898964">Types
of arguments for functions and events </A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI187"></A><A HREF="apptechp20.htm#X-REF354893310">Ancestor and descendent
variables </A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI188"></A><A HREF="apptechp21.htm#X-REF354823874">Optimizing expressions
for DataWindow and external objects</A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI189"></A><A HREF="apptechp22.htm#BABDCHCF">Exception handling in PowerBuilder</A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI190"></A><A HREF="apptechp23.htm#CAICHCGE">Garbage collection and memory
management</A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI191"></A><A HREF="apptechp24.htm#X-REF356035643">Efficient compiling
and performance </A></td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI192"></A><A HREF="apptechp25.htm#X-REF299417095">Reading and writing
text or binary files</A></td>
</tr>
</table>

